docs: def buckets_delete(self, bucket):
      """Issues a request to delete a bucket.
  
      Args:
        bucket: the name of the bucket.
      Raises:
        Exception if there is an error performing the operation.
      """
      url = Api._ENDPOINT + (Api._BUCKET_PATH % bucket)
      google.datalab.utils.Http.request(url, method='DELETE', credentials=self._credentials,
                                        raw_response=True)